Method of making a tubular element and product, particularly bird feeder hopper, produced thereby

A method of making a tubular member such as a bird feeder hopper having offset members extending integrally from the inside surface of the peripheral wall thereof into an internal cavity. A sheet-like member is initially formed with a plurality of wall sections interconnected by integral hinges and...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	RICH CHRISTOPHER T, TULLY CLAY E
Format:	Patent
Sprache:	eng
Schlagworte:	AGRICULTURE ANIMAL HUSBANDRY CARE OF BIRDS, FISHES, INSECTS FISHING FORESTRY HUMAN NECESSITIES HUNTING NEW BREEDS OF ANIMALS REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR TRAPPING
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